Boot with oversized toe box for thermal insulation
US7603796B2 · kind B2 · utility
2Cited by
12References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 15, 2001 |
| Grant date | Oct 20, 2009 |
| Priority date | — |
| Expiry date | Oct 15, 2021 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA43B23/07
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A boot having an oversized toe box within which a layer of cold weather insulating material of increased thickness is provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.